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She said before a performance the group listened to its music mix to stay focused, calm and relaxed.

"We always have a crew talk before we go on stage to motivate each other and get excited."

Puru August said the crew's passion was dance, and were looking forward to the competition.

"We can't wait to show the world what we have to offer and what we have worked so hard for."

Creative director of Urban Dance Sarah Martin said the crew was leaving for Las Vegas on Friday.

"The opportunity to go is crazy exciting," she said.

The crew trained for six hours a day, five days a week, with every day of school holidays dedicated to training.

"This is the Olympics of dance. 120 groups and 48 countries," she said.

"I don't think people understand the hours or technicality of it.

"I guess when you compare it to gymnastics, street dancing has the same technical requirement. A lot of the work we try to tick boxes in the skills area, but the kids also need to bring it in terms of performance."

Ms Martin said their toughest competition would be the Philippines and Japan.

The crew was put together in January, with them having become very tight, according to Ms Martin.

"They're hilarious to train with, the kids have such great energy."

She said she did get nervous for the crew, but success for her was about the opportunities taken, rather than the results.